Home / 45,958.76-68,938.14-13,126.76

Finding the Fourth Proportional to 45,958.76, 68,938.14 and 13,126.76

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Solution

The fourth proportional to 45,958.76, 68,938.14 and 13,126.76 is: 19,690.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,958.76 : 68,938.14 = 13,126.76 : x
  2. Step 2: Convert to fraction form
    45,958.76/68,938.14 = 13,126.76/x
  3. Step 3: Cross multiply
    45,958.76x = 68,938.14 × 13,126.76
  4. Step 4: Simplify right side
    45,958.76x = 904,934,418.63
  5. Step 5: Solve for x
    x = 904,934,418.63/45,958.76
  6. Step 6: Final answer
    x = 19,690.14

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.